* [peterz-queue:core/softirq 8/8] kernel/rcu/tree_nocb.h:954:18: error: too few arguments to function call, expected 2, have 1
@ 2023-01-31 19:50 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-01-31 19:50 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git core/softirq
head: d0bf4e7eda39329deaa144785a22906dfec65c94
commit: d0bf4e7eda39329deaa144785a22906dfec65c94 [8/8] softirq,rcu: Use softirq_needs_break()
config: x86_64-randconfig-a015-20230130 (https://download.01.org/0day-ci/archive/20230201/202302010309.ecdK08hE-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=d0bf4e7eda39329deaa144785a22906dfec65c94
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue core/softirq
git checkout d0bf4e7eda39329deaa144785a22906dfec65c94
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from kernel/rcu/tree.c:4830:
>> kernel/rcu/tree_nocb.h:954:18: error: too few arguments to function call, expected 2, have 1
rcu_do_batch(rdp);
~~~~~~~~~~~~ ^
kernel/rcu/tree.c:2180:13: note: 'rcu_do_batch' declared here
static void rcu_do_batch(struct softirq_action *h, struct rcu_data *rdp)
^
1 error generated.
vim +954 kernel/rcu/tree_nocb.h
dfcb27540213e8 Frederic Weisbecker 2021-05-19 917
dfcb27540213e8 Frederic Weisbecker 2021-05-19 918 /*
dfcb27540213e8 Frederic Weisbecker 2021-05-19 919 * Invoke any ready callbacks from the corresponding no-CBs CPU,
dfcb27540213e8 Frederic Weisbecker 2021-05-19 920 * then, if there are no more, wait for more to appear.
dfcb27540213e8 Frederic Weisbecker 2021-05-19 921 */
dfcb27540213e8 Frederic Weisbecker 2021-05-19 922 static void nocb_cb_wait(struct rcu_data *rdp)
dfcb27540213e8 Frederic Weisbecker 2021-05-19 923 {
dfcb27540213e8 Frederic Weisbecker 2021-05-19 924 struct rcu_segcblist *cblist = &rdp->cblist;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 925 unsigned long cur_gp_seq;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 926 unsigned long flags;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 927 bool needwake_state = false;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 928 bool needwake_gp = false;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 929 bool can_sleep = true;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 930 struct rcu_node *rnp = rdp->mynode;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 931
8d970396469734 Frederic Weisbecker 2021-11-23 932 do {
8d970396469734 Frederic Weisbecker 2021-11-23 933 swait_event_interruptible_exclusive(rdp->nocb_cb_wq,
8d970396469734 Frederic Weisbecker 2021-11-23 934 nocb_cb_wait_cond(rdp));
8d970396469734 Frederic Weisbecker 2021-11-23 935
8d970396469734 Frederic Weisbecker 2021-11-23 936 // VVV Ensure CB invocation follows _sleep test.
8d970396469734 Frederic Weisbecker 2021-11-23 937 if (smp_load_acquire(&rdp->nocb_cb_sleep)) { // ^^^
8d970396469734 Frederic Weisbecker 2021-11-23 938 WARN_ON(signal_pending(current));
8d970396469734 Frederic Weisbecker 2021-11-23 939 trace_rcu_nocb_wake(rcu_state.name, rdp->cpu, TPS("WokeEmpty"));
8d970396469734 Frederic Weisbecker 2021-11-23 940 }
8d970396469734 Frederic Weisbecker 2021-11-23 941 } while (!nocb_cb_can_run(rdp));
8d970396469734 Frederic Weisbecker 2021-11-23 942
8d970396469734 Frederic Weisbecker 2021-11-23 943
dfcb27540213e8 Frederic Weisbecker 2021-05-19 944 local_irq_save(flags);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 945 rcu_momentary_dyntick_idle();
dfcb27540213e8 Frederic Weisbecker 2021-05-19 946 local_irq_restore(flags);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 947 /*
dfcb27540213e8 Frederic Weisbecker 2021-05-19 948 * Disable BH to provide the expected environment. Also, when
dfcb27540213e8 Frederic Weisbecker 2021-05-19 949 * transitioning to/from NOCB mode, a self-requeuing callback might
dfcb27540213e8 Frederic Weisbecker 2021-05-19 950 * be invoked from softirq. A short grace period could cause both
dfcb27540213e8 Frederic Weisbecker 2021-05-19 951 * instances of this callback would execute concurrently.
dfcb27540213e8 Frederic Weisbecker 2021-05-19 952 */
dfcb27540213e8 Frederic Weisbecker 2021-05-19 953 local_bh_disable();
dfcb27540213e8 Frederic Weisbecker 2021-05-19 @954 rcu_do_batch(rdp);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 955 local_bh_enable();
dfcb27540213e8 Frederic Weisbecker 2021-05-19 956 lockdep_assert_irqs_enabled();
dfcb27540213e8 Frederic Weisbecker 2021-05-19 957 rcu_nocb_lock_irqsave(rdp, flags);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 958 if (rcu_segcblist_nextgp(cblist, &cur_gp_seq) &&
dfcb27540213e8 Frederic Weisbecker 2021-05-19 959 rcu_seq_done(&rnp->gp_seq, cur_gp_seq) &&
dfcb27540213e8 Frederic Weisbecker 2021-05-19 960 raw_spin_trylock_rcu_node(rnp)) { /* irqs already disabled. */
dfcb27540213e8 Frederic Weisbecker 2021-05-19 961 needwake_gp = rcu_advance_cbs(rdp->mynode, rdp);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 962 raw_spin_unlock_rcu_node(rnp); /* irqs remain disabled. */
dfcb27540213e8 Frederic Weisbecker 2021-05-19 963 }
dfcb27540213e8 Frederic Weisbecker 2021-05-19 964
dfcb27540213e8 Frederic Weisbecker 2021-05-19 965 if (rcu_segcblist_test_flags(cblist, SEGCBLIST_OFFLOADED)) {
dfcb27540213e8 Frederic Weisbecker 2021-05-19 966 if (!rcu_segcblist_test_flags(cblist, SEGCBLIST_KTHREAD_CB)) {
dfcb27540213e8 Frederic Weisbecker 2021-05-19 967 rcu_segcblist_set_flags(cblist, SEGCBLIST_KTHREAD_CB);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 968 if (rcu_segcblist_test_flags(cblist, SEGCBLIST_KTHREAD_GP))
dfcb27540213e8 Frederic Weisbecker 2021-05-19 969 needwake_state = true;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 970 }
dfcb27540213e8 Frederic Weisbecker 2021-05-19 971 if (rcu_segcblist_ready_cbs(cblist))
dfcb27540213e8 Frederic Weisbecker 2021-05-19 972 can_sleep = false;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 973 } else {
dfcb27540213e8 Frederic Weisbecker 2021-05-19 974 /*
dfcb27540213e8 Frederic Weisbecker 2021-05-19 975 * De-offloading. Clear our flag and notify the de-offload worker.
dfcb27540213e8 Frederic Weisbecker 2021-05-19 976 * We won't touch the callbacks and keep sleeping until we ever
dfcb27540213e8 Frederic Weisbecker 2021-05-19 977 * get re-offloaded.
dfcb27540213e8 Frederic Weisbecker 2021-05-19 978 */
dfcb27540213e8 Frederic Weisbecker 2021-05-19 979 WARN_ON_ONCE(!rcu_segcblist_test_flags(cblist, SEGCBLIST_KTHREAD_CB));
dfcb27540213e8 Frederic Weisbecker 2021-05-19 980 rcu_segcblist_clear_flags(cblist, SEGCBLIST_KTHREAD_CB);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 981 if (!rcu_segcblist_test_flags(cblist, SEGCBLIST_KTHREAD_GP))
dfcb27540213e8 Frederic Weisbecker 2021-05-19 982 needwake_state = true;
dfcb27540213e8 Frederic Weisbecker 2021-05-19 983 }
dfcb27540213e8 Frederic Weisbecker 2021-05-19 984
dfcb27540213e8 Frederic Weisbecker 2021-05-19 985 WRITE_ONCE(rdp->nocb_cb_sleep, can_sleep);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 986
dfcb27540213e8 Frederic Weisbecker 2021-05-19 987 if (rdp->nocb_cb_sleep)
dfcb27540213e8 Frederic Weisbecker 2021-05-19 988 trace_rcu_nocb_wake(rcu_state.name, rdp->cpu, TPS("CBSleep"));
dfcb27540213e8 Frederic Weisbecker 2021-05-19 989
dfcb27540213e8 Frederic Weisbecker 2021-05-19 990 rcu_nocb_unlock_irqrestore(rdp, flags);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 991 if (needwake_gp)
dfcb27540213e8 Frederic Weisbecker 2021-05-19 992 rcu_gp_kthread_wake();
dfcb27540213e8 Frederic Weisbecker 2021-05-19 993
dfcb27540213e8 Frederic Weisbecker 2021-05-19 994 if (needwake_state)
dfcb27540213e8 Frederic Weisbecker 2021-05-19 995 swake_up_one(&rdp->nocb_state_wq);
dfcb27540213e8 Frederic Weisbecker 2021-05-19 996 }
dfcb27540213e8 Frederic Weisbecker 2021-05-19 997
:::::: The code at line 954 was first introduced by commit
:::::: dfcb27540213e8061ecffacd4bd8ed54a310a7b0 rcu/nocb: Start moving nocb code to its own plugin file
:::::: TO: Frederic Weisbecker <frederic@kernel.org>
:::::: CC: Paul E. McKenney <paulmck@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
^ permalink raw reply [flat|nested] 2+ messages in thread
* [peterz-queue:core/softirq 8/8] kernel/rcu/tree_nocb.h:954:18: error: too few arguments to function call, expected 2, have 1
@ 2023-04-05 11:55 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-04-05 11:55 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git core/softirq
head: 699a5cde1ff88fe951e546e174de96b274eb6d48
commit: 699a5cde1ff88fe951e546e174de96b274eb6d48 [8/8] softirq,rcu: Use softirq_needs_break()
config: riscv-randconfig-r032-20230403 (https://download.01.org/0day-ci/archive/20230405/202304051913.H2SgzUHR-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=699a5cde1ff88fe951e546e174de96b274eb6d48
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue core/softirq
git checkout 699a5cde1ff88fe951e546e174de96b274eb6d48
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash kernel/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304051913.H2SgzUHR-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/rcu/tree.c:4937:
>> kernel/rcu/tree_nocb.h:954:18: error: too few arguments to function call, expected 2, have 1
rcu_do_batch(rdp);
~~~~~~~~~~~~ ^
kernel/rcu/tree.c:2046:13: note: 'rcu_do_batch' declared here
static void rcu_do_batch(struct softirq_action *h, struct rcu_data *rdp)
^
1 error generated.
vim +954 kernel/rcu/tree_nocb.h
dfcb27540213e80 Frederic Weisbecker 2021-05-19 917
dfcb27540213e80 Frederic Weisbecker 2021-05-19 918 /*
dfcb27540213e80 Frederic Weisbecker 2021-05-19 919 * Invoke any ready callbacks from the corresponding no-CBs CPU,
dfcb27540213e80 Frederic Weisbecker 2021-05-19 920 * then, if there are no more, wait for more to appear.
dfcb27540213e80 Frederic Weisbecker 2021-05-19 921 */
dfcb27540213e80 Frederic Weisbecker 2021-05-19 922 static void nocb_cb_wait(struct rcu_data *rdp)
dfcb27540213e80 Frederic Weisbecker 2021-05-19 923 {
dfcb27540213e80 Frederic Weisbecker 2021-05-19 924 struct rcu_segcblist *cblist = &rdp->cblist;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 925 unsigned long cur_gp_seq;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 926 unsigned long flags;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 927 bool needwake_state = false;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 928 bool needwake_gp = false;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 929 bool can_sleep = true;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 930 struct rcu_node *rnp = rdp->mynode;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 931
8d9703964697340 Frederic Weisbecker 2021-11-23 932 do {
8d9703964697340 Frederic Weisbecker 2021-11-23 933 swait_event_interruptible_exclusive(rdp->nocb_cb_wq,
8d9703964697340 Frederic Weisbecker 2021-11-23 934 nocb_cb_wait_cond(rdp));
8d9703964697340 Frederic Weisbecker 2021-11-23 935
8d9703964697340 Frederic Weisbecker 2021-11-23 936 // VVV Ensure CB invocation follows _sleep test.
8d9703964697340 Frederic Weisbecker 2021-11-23 937 if (smp_load_acquire(&rdp->nocb_cb_sleep)) { // ^^^
8d9703964697340 Frederic Weisbecker 2021-11-23 938 WARN_ON(signal_pending(current));
8d9703964697340 Frederic Weisbecker 2021-11-23 939 trace_rcu_nocb_wake(rcu_state.name, rdp->cpu, TPS("WokeEmpty"));
8d9703964697340 Frederic Weisbecker 2021-11-23 940 }
8d9703964697340 Frederic Weisbecker 2021-11-23 941 } while (!nocb_cb_can_run(rdp));
8d9703964697340 Frederic Weisbecker 2021-11-23 942
8d9703964697340 Frederic Weisbecker 2021-11-23 943
dfcb27540213e80 Frederic Weisbecker 2021-05-19 944 local_irq_save(flags);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 945 rcu_momentary_dyntick_idle();
dfcb27540213e80 Frederic Weisbecker 2021-05-19 946 local_irq_restore(flags);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 947 /*
dfcb27540213e80 Frederic Weisbecker 2021-05-19 948 * Disable BH to provide the expected environment. Also, when
dfcb27540213e80 Frederic Weisbecker 2021-05-19 949 * transitioning to/from NOCB mode, a self-requeuing callback might
dfcb27540213e80 Frederic Weisbecker 2021-05-19 950 * be invoked from softirq. A short grace period could cause both
dfcb27540213e80 Frederic Weisbecker 2021-05-19 951 * instances of this callback would execute concurrently.
dfcb27540213e80 Frederic Weisbecker 2021-05-19 952 */
dfcb27540213e80 Frederic Weisbecker 2021-05-19 953 local_bh_disable();
dfcb27540213e80 Frederic Weisbecker 2021-05-19 @954 rcu_do_batch(rdp);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 955 local_bh_enable();
dfcb27540213e80 Frederic Weisbecker 2021-05-19 956 lockdep_assert_irqs_enabled();
dfcb27540213e80 Frederic Weisbecker 2021-05-19 957 rcu_nocb_lock_irqsave(rdp, flags);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 958 if (rcu_segcblist_nextgp(cblist, &cur_gp_seq) &&
dfcb27540213e80 Frederic Weisbecker 2021-05-19 959 rcu_seq_done(&rnp->gp_seq, cur_gp_seq) &&
dfcb27540213e80 Frederic Weisbecker 2021-05-19 960 raw_spin_trylock_rcu_node(rnp)) { /* irqs already disabled. */
dfcb27540213e80 Frederic Weisbecker 2021-05-19 961 needwake_gp = rcu_advance_cbs(rdp->mynode, rdp);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 962 raw_spin_unlock_rcu_node(rnp); /* irqs remain disabled. */
dfcb27540213e80 Frederic Weisbecker 2021-05-19 963 }
dfcb27540213e80 Frederic Weisbecker 2021-05-19 964
dfcb27540213e80 Frederic Weisbecker 2021-05-19 965 if (rcu_segcblist_test_flags(cblist, SEGCBLIST_OFFLOADED)) {
dfcb27540213e80 Frederic Weisbecker 2021-05-19 966 if (!rcu_segcblist_test_flags(cblist, SEGCBLIST_KTHREAD_CB)) {
dfcb27540213e80 Frederic Weisbecker 2021-05-19 967 rcu_segcblist_set_flags(cblist, SEGCBLIST_KTHREAD_CB);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 968 if (rcu_segcblist_test_flags(cblist, SEGCBLIST_KTHREAD_GP))
dfcb27540213e80 Frederic Weisbecker 2021-05-19 969 needwake_state = true;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 970 }
dfcb27540213e80 Frederic Weisbecker 2021-05-19 971 if (rcu_segcblist_ready_cbs(cblist))
dfcb27540213e80 Frederic Weisbecker 2021-05-19 972 can_sleep = false;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 973 } else {
dfcb27540213e80 Frederic Weisbecker 2021-05-19 974 /*
dfcb27540213e80 Frederic Weisbecker 2021-05-19 975 * De-offloading. Clear our flag and notify the de-offload worker.
dfcb27540213e80 Frederic Weisbecker 2021-05-19 976 * We won't touch the callbacks and keep sleeping until we ever
dfcb27540213e80 Frederic Weisbecker 2021-05-19 977 * get re-offloaded.
dfcb27540213e80 Frederic Weisbecker 2021-05-19 978 */
dfcb27540213e80 Frederic Weisbecker 2021-05-19 979 WARN_ON_ONCE(!rcu_segcblist_test_flags(cblist, SEGCBLIST_KTHREAD_CB));
dfcb27540213e80 Frederic Weisbecker 2021-05-19 980 rcu_segcblist_clear_flags(cblist, SEGCBLIST_KTHREAD_CB);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 981 if (!rcu_segcblist_test_flags(cblist, SEGCBLIST_KTHREAD_GP))
dfcb27540213e80 Frederic Weisbecker 2021-05-19 982 needwake_state = true;
dfcb27540213e80 Frederic Weisbecker 2021-05-19 983 }
dfcb27540213e80 Frederic Weisbecker 2021-05-19 984
dfcb27540213e80 Frederic Weisbecker 2021-05-19 985 WRITE_ONCE(rdp->nocb_cb_sleep, can_sleep);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 986
dfcb27540213e80 Frederic Weisbecker 2021-05-19 987 if (rdp->nocb_cb_sleep)
dfcb27540213e80 Frederic Weisbecker 2021-05-19 988 trace_rcu_nocb_wake(rcu_state.name, rdp->cpu, TPS("CBSleep"));
dfcb27540213e80 Frederic Weisbecker 2021-05-19 989
dfcb27540213e80 Frederic Weisbecker 2021-05-19 990 rcu_nocb_unlock_irqrestore(rdp, flags);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 991 if (needwake_gp)
dfcb27540213e80 Frederic Weisbecker 2021-05-19 992 rcu_gp_kthread_wake();
dfcb27540213e80 Frederic Weisbecker 2021-05-19 993
dfcb27540213e80 Frederic Weisbecker 2021-05-19 994 if (needwake_state)
dfcb27540213e80 Frederic Weisbecker 2021-05-19 995 swake_up_one(&rdp->nocb_state_wq);
dfcb27540213e80 Frederic Weisbecker 2021-05-19 996 }
dfcb27540213e80 Frederic Weisbecker 2021-05-19 997
:::::: The code at line 954 was first introduced by commit
:::::: dfcb27540213e8061ecffacd4bd8ed54a310a7b0 rcu/nocb: Start moving nocb code to its own plugin file
:::::: TO: Frederic Weisbecker <frederic@kernel.org>
:::::: CC: Paul E. McKenney <paulmck@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2023-04-05 11:56 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
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2023-04-05 11:55 kernel test robot
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